At Assystem, our mission is to accelerate the energy transition worldwide. With over 55 years of expertise in highly regulated sectors, our 7,750 Switchers globally deliver cutting-edge engineering and project management solutions. Join us and be part of one of the top three nuclear engineering companies in the world!
Why Join the Community of Switchers?
As a member of Assystem, you’ll be part of a team driving the low-carbon energy future. We’re ranked second globally in nuclear engineering, offering you the chance to work on world-class projects like Hinkley Point C. Together, we’ll innovate and shape tomorrow’s energy solutions.
Job Description
The Job Mission
As a Construction HVAC Engineer, you will support the installation and oversight of HVAC systems at Hinkley Point C. You’ll ensure works are delivered safely, to quality, and to schedule, working closely with EDF and contractor teams. Your missions will involve both technical and supervisory responsibilities in the Nuclear Island and Balance of Plant facilities.
Responsibilities:
️ Supervise HVAC construction activities ensuring nuclear safety and quality compliance
️ Review HVAC drawings, schematics, and P&IDs to resolve constructability issues
️ Oversee installation of ductwork, fans, air handling units, and fire dampers
️ Prepare and review work packs and documentation in line with HPC processes
️ Support inspections, testing, and commissioning of HVAC systems
️ Liaise with EDF, contractors, and suppliers to maintain schedules and resolve issues
️ Promote compliance with HPC safety rules and Permit to Work procedures
My profile
Essential Skills:
HNC in Building Services Engineering or NVQ Level 3 Heating & Ventilation
Minimum 5 years’ relevant HVAC site-based experience
Ability to read and interpret technical drawings, schematics, and P&IDs
Proven experience in high-compliance sectors (nuclear, oil & gas, defence)
Strong understanding of HVAC installation and supervision requirements
Desired Skills:
️ Nuclear project or regulated infrastructure experience
️ Familiarity with HPC site procedures (e.g., SONIMS, Completions)
️ Experience using SAP, Maximo, or similar systems
️ City & Guilds F-Gas 2079 Level 2 (Category I)
️ BOHS P601 – LEV Testing
Join a world-leading nuclear engineering business where you’ll shape vital UK infrastructure while developing your quality leadership career. Work with passionate professionals in your future team to ensure excellence in every mission.
Your Benefits Package Includes
️ 25 Days Annual Leave + Bank Holidays
Buy & Sell Holiday – Make your time off work for you
8% Company Pension Contributions
We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.
Are you a prospective or recent graduate?
Assystem offers you the opportunity to join our Switch to Grow UK Graduate Scheme, where you’ll gain hands on experience in engineering, digital services, and project management by working on some of the world’s most critical energy projects.
Be part of the challenge of the century; accelerating the switch to low carbon energy!
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